Signaling method for multiplexing different amendment devices in an enhanced wireless local area network

1. A method for communicating in a wireless network, the method comprising:

setting, by an access point, a type bit in a trigger frame to indicate a type of the trigger frame, wherein the type bit indicates whether the trigger frame is scheduling an uplink transmission for only a first set of stations in the wireless network or the first set of stations and a second set of stations in the wireless network;

configuring, by the access point, a common information field of the trigger frame, wherein the common information field is to be used by (1) all stations in the first set of stations for performing the uplink transmission and (2) when the type bit indicates that the trigger frame is scheduling the uplink transmission for the first set of stations and the second set of stations in the wireless network, all stations in the second set of stations for performing the uplink transmission;

configuring, by the access point, a set of user information fields of the trigger frame, wherein the set of user information fields is to be used by (1) all stations in the first set of stations for performing the uplink transmission and (2) when the type bit indicates that the trigger frame is scheduling the uplink transmission for the first set of stations and the second set of stations in the wireless network, all stations in the second set of stations for performing the uplink transmission; and

transmitting, by the access point, the trigger frame to (1) all stations in the first set of stations when the type bit indicates that the trigger frame is scheduling the uplink transmission for the first set of stations and (2) all stations in the second set of stations when the type bit indicates that the trigger frame is scheduling the uplink transmission for the first set of stations and the second set of stations.

2. The method of claim 1 , wherein the type bit is part of a high-efficiency signal-A2 reserved field of the trigger frame.

3. The method of claim 2 , wherein the high-efficiency signal-A2 reserved field includes nine bits and the type bit is the first bit of the nine bits of the high-efficiency signal-A2 reserved field.

4. The method of claim 3 , wherein first set of stations are high-efficiency stations and the second set of stations are extremely high throughput stations.

5. The method of claim 4 , wherein when the type bit is set to a value of zero, the trigger frame is scheduling an uplink transmission for the first set of stations and the second set of stations; and

wherein when the type bit is set to a value of one, the trigger frame is scheduling an uplink transmission for only the first set of stations.

6. The method of claim 5 , wherein when the type bit is set to a value of zero, the first set of stations are allocated in a primary 160 MHz channel of a bandwidth of the uplink transmission and the second set of stations are allocated in a secondary 160 MHz channel of the bandwidth of the uplink transmission.

7. The method of claim 6 , wherein when the type bit is set to a value of zero, a user information field in the set of user information fields is designated for the second set of stations.

8. The method of claim 7 , wherein the user information field includes an association identifier field, and the association identifier field is set to a value to indicate that the user information field is designated for extremely high throughput stations.

9. The method of claim 8 , wherein the common information field includes an uplink bandwidth field that is composed of two bits and the set of user information fields includes a resource unit allocation field, and a resource unit extension field, which indicates whether the primary 160 MHz channel or the secondary 160 MHz channel is allocated to a station.

10. The method of claim 9 , wherein the uplink bandwidth field, a first bit of the resource unit allocation field, and the resource unit extension field are collectively used to indicate the resource unit of the uplink transmission.

11. A method for communicating in a wireless network, the method comprising:

receiving, by a station from an access point, a trigger frame, wherein the trigger frame includes a type bit to indicate a type of the trigger frame, wherein the type bit indicates whether the trigger frame is scheduling an uplink transmission for only a first set of stations in the wireless network or the first set of stations and a second set of stations in the wireless network;

processing, by the station, a common information field of the trigger frame, wherein the common information field is to be used by (1) all stations in the first set of stations for performing the uplink transmission and (2) when the type bit indicates that the trigger frame is scheduling the uplink transmission for the first set of stations and the second set of stations in the wireless network, all stations in the second set of stations for performing the uplink transmission;

processing, by the station, a set of user information fields of the of the trigger frame, wherein the set of user information fields is to be used by (1) all stations in the first set of stations for performing the uplink transmission and (2) when the type bit indicates that the trigger frame is scheduling the uplink transmission for the first set of stations and the second set of stations in the wireless network, all stations in the second set of stations for performing the uplink transmission; and

transmitting, by the station, a response to the trigger frame based on the common information field and the set of user information fields.

12. The method of claim 11 , wherein the type bit is part of a high-efficiency signal-A2 reserved field of the trigger frame.

13. The method of claim 12 , wherein the high-efficiency signal-A2 reserved field includes nine bits and the type bit is the first bit of the nine bits of the high-efficiency signal-A2 reserved field.

14. The method of claim 13 , wherein first set of stations are high-efficiency stations and the second set of stations are extremely high throughput stations.

15. The method of claim 14 , wherein when the type bit is set to a value of zero, the trigger frame is scheduling an uplink transmission for the first set of stations and the second set of stations; and

wherein when the type bit is set to a value of one, the trigger frame is scheduling an uplink transmission for only the first set of stations.

16. The method of claim 15 , wherein when the type bit is set to a value of zero, the first set of stations are allocated in a primary 160 MHz channel of a bandwidth of the uplink transmission and the second set of stations are allocated in a secondary 160 MHz channel of the bandwidth of the uplink transmission.

17. The method of claim 16 , wherein the when the type bit is set to a value of zero, a user information field in the set of user information fields is designated for the second set of stations.

18. The method of claim 17 , wherein the user information field includes an association identifier field, and the association identifier field is set to a value to indicate that the user information field is designated for extremely high throughput stations.

19. The method of claim 18 , wherein the common information field includes an uplink bandwidth field that is composed of two bits, the set of user information fields includes a resource unit allocation field and a resource unit extension field, which indicates whether the primary 160 MHz channel or the secondary 160 MHz channel is allocated to a station.

20. The method of claim 19 , wherein the uplink bandwidth field, a first bit of the resource unit allocation field, and the resource unit extension field are collectively used to indicate the resource unit of the uplink transmission.